728267848495824 has 240 divisors, whose sum is σ = 2401336019158272. Its totient is φ = 188446666576896.

The previous prime is 728267848495753. The next prime is 728267848495903. The reversal of 728267848495824 is 428594848762827.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223080264 + ... + 226321319.

Almost surely, 2^{728267848495824} is an apocalyptic number.

It is an amenable number.

728267848495824 is an abundant number, since it is smaller than the sum of its proper divisors (1673068170662448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728267848495824 is a wasteful number, since it uses less digits than its factorization.

728267848495824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449401674 (or 449401661 counting only the distinct ones).

The product of its digits is 27745320960, while the sum is 84.

The spelling of 728267848495824 in words is "seven hundred twenty-eight trillion, two hundred sixty-seven billion, eight hundred forty-eight million, four hundred ninety-five thousand, eight hundred twenty-four".